Allow command line overrides for built documentation.

For example, to install without documentation, use:
  $ make DOC= install
which overrides Makefile's default DOC definition, setting it to the
empty string.

1 files changed, 9 insertions, 3 deletions

diff --git a/setup.py b/setup.py
index da1ebad..b7fb839 100755
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,19 @@
 #!/usr/bin/env python
 
 from distutils.core import setup
+import os.path
+
 from libbe import _version
 
 rev_id = _version.version_info["revision"]
 rev_date = _version.version_info["date"]
 
+data_files = []
+
+man_path = os.path.join('doc', 'man', 'be.1')
+if os.path.exists(man_path):
+    data_files.append(('share/man/man1', [man_path]))
+
 setup(
     name='Bugs Everywhere',
     version=rev_date,
@@ -20,7 +28,5 @@ setup(
               'libbe.ui.util',
               'libbe.util'],
     scripts=['be'],
-    data_files=[
-        ('share/man/man1', ['doc/man/be.1']),
-        ]
+    data_files=data_files,
     )